20281712639

素因数分解:

${\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1\times {\mathrm{4639}}^1$

素因数の和:5534

約数の個数: 16

約数和(自身を含む): 21265305600

約数和(自身を除く): 983592961

約数列:

[1, 23, 433, 439, 4639, 9959, 10097, 106697, 190087, 2008687, 2036521, 4372001, 46199801, 46839983, 881813593, 20281712639]

約数ペア:

[(1, 20281712639), (23, 881813593), (433, 46839983), (439, 46199801), (4639, 4372001), (9959, 2036521), (10097, 2008687), (106697, 190087)]